What is referred to by 'blood or streak'?

Based on the clue 'blood is carried to from the head by the carotid ...', what is the answer? What is referred to by 'blood is ttw'? Based on the clue 'blood leaves the heart from ventricles enters the...', what is the answer? Based on the clue 'blood missing tears are titles in this francine p...', what is the answer? Based on the clue 'blood pressure is measured in millimeters of this ...', what is the answer? What is referred to by 'blood pumper'? Based on the clue 'blood returns to the heart from the head neck by ...', what is the answer? Based on the clue 'blood spatter says the guy killed paris then himse...', what is the answer?